/*   The MIT License
 *   
 *   Carina Engine
 *   Copyright (c) 2013 Zdravko Velinov
 *   
 *   Permission is hereby granted, free of charge, to any person obtaining a copy
 *   of this software and associated documentation files (the "Software"), to deal
 *   in the Software without restriction, including without limitation the rights
 *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *   copies of the Software, and to permit persons to whom the Software is
 *   furnished to do so, subject to the following conditions:
 *
 *   The above copyright notice and this permission notice shall be included in
 *   all copies or substantial portions of the Software.
 *
 *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 *   THE SOFTWARE.
 */

#include "carina/carina-config-driver.hh"
#include "carina/carina-config-ast.hh"

namespace Carina
{
namespace Config
{
const AST::Node* FindChild(const AST::Node* list_node, const string& name)
{
	if(!list_node || !*list_node)
		return nullptr; 
	const List* _list = nullptr;
	switch(list_node->getNodeType())
	{
		case AST::CE_AST_LIST_ELEMENT:
		{
			_list = list_node->extract<AST::List>();
		} break;
		case CE_CONFIG_ENTRY:
		{
			auto* value = list_node->extract<Entry>()->getValue();
			_list = value->extract<AST::Block>()->getBody();
		} break;
		default:
			CE_ASSERT(false, "Unexpected format");
	}

	return FindChild(_list, name);
}

AST::Node* FindChild(AST::Node* list_node, const string& name)
{
    if(!list_node || !*list_node)
        return nullptr; 
    List* _list = nullptr;
    switch(list_node->getNodeType())
    {
        case AST::CE_AST_LIST_ELEMENT:
        {
            _list = list_node->extract<AST::List>();
        } break;
        case CE_CONFIG_ENTRY:
        {
            auto* value = list_node->extract<Entry>()->getValue();
            _list = value->extract<AST::Block>()->getBody();
        } break;
        default:
            CE_ASSERT(false, "Unexpected format");
    }

    return FindChild(_list, name);
}

AST::Node* FindChild(AST::List* list, const string& name)
{
    if(!list)
        return nullptr; 
    auto iter = std::find_if(list->current(), list->end(), [&name](const AST::Node& ast_node){ return ast_node.extract<Entry>()->getNodeName() == name; });
    return iter != list->end() ? iter.getNode() : nullptr;
}


const AST::Node* FindChild(const AST::List* list, const string& name)
{
    auto iter = std::find_if(list->current(), list->end(), [&name](const AST::Node& ast_node){ return ast_node.extract<Entry>()->getNodeName() == name; });
    return iter != list->end() ? iter.getNode() : nullptr;
}

Driver::Driver()
{
}

Driver::~Driver()
{
}
}
}